2.5D vibration of railway-side buildings mitigated by open or infilled trenches considering rail irregularity

Abstract A 2.5D analysis is presented of the vibration reduction of buildings alongside the railway by open or infilled trenches. Assuming the soil-structure system to be uniform along the railway direction, the 2D profile is used for obtaining the 3D response of the system by the 2.5D approach. Unlike most previous studies, the effect of self oscillation frequencies of the train due to wheel-rail interaction associated with rail irregularity is duly taken into account, in addition to the train and trench parameters. Focus is placed on the difference between the 2D and 2.5D results and on the mechanism of isolation of for the building. Contrary to the 2D analysis, the 2.5D response for the floor is found to be higher than the ceiling, implying that the wave transmission effect along the railway direction is greater than the amplification effect of the building structure. In addition, the 2.5D results are generally smaller than the 2D ones due to confinement of energy on the 2D plane. Both open and in-filled trenches are good for reducing building vibrations induced by trains, especially by those with higher self-oscillation frequencies when moving over irregular railways.

[1]  Thambirajah Balendra,et al.  Steady‐State Vibration of Subway‐Soil‐Building System , 1989 .

[2]  Victor V. Krylov,et al.  Generation of Ground Vibrations by Superfast Trains , 1995 .

[3]  Hem Hunt,et al.  A computationally efficient piled-foundation model for studying the effects of ground-borne vibration on buildings , 2003 .

[4]  Ioannis Vardoulakis,et al.  Vibration Isolation of Structures From Surface Waves in Layered Soil , 1986 .

[5]  S. Ahmad,et al.  Simplified design for vibration screening by open and in-filled trenches , 1991 .

[6]  Yeong-Bin Yang,et al.  A parametric study of wave barriers for reduction of train-induced vibrations , 1997 .

[7]  L. Auersch,et al.  Wave propagation in the elastic half-space due to an interior load and its application to ground vibration problems and buildings on pile foundations , 2010 .

[8]  Yeong-Bin Yang,et al.  Effect of railway roughness on soil vibrations due to moving trains by 2.5D finite/infinite element approach , 2013 .

[9]  Demosthenes Polyzos,et al.  Vibration isolation by a row of piles using a 3‐D frequency domain BEM , 1999 .

[10]  Hung Hsiao-Hui,et al.  Analysis of ground vibrations due to underground trains by 2.5D finite/infinite element approach , 2010 .

[11]  H. Grundmann,et al.  Nonlinear interaction between a moving vehicle and a plate elastically mounted on a tunnel , 2008 .

[12]  Fulop Augusztinovicz,et al.  Numerical modelling of ground-borne noise and vibration in buildings due to surface rail traffic , 2007 .

[13]  Shen-Haw Ju,et al.  Finite element analysis of structure-borne vibration from high-speed train , 2007 .

[14]  Ioannis Vardoulakis,et al.  Vibration isolation using open or filled trenches Part 2: 3-D homogeneous soil , 1990 .

[15]  Chris Jones,et al.  Prediction of ground vibration from trains using the wavenumber finite and boundary element methods , 2006 .

[16]  Yeong-Bin Yang,et al.  Elastic waves in visco-elastic half-space generated by various vehicle loads , 2001 .

[17]  P. Grootenhuis,et al.  Floating track slab isolation for railways , 1977 .

[18]  Yeong-Bin Yang,et al.  Comparative study of 2D and 2.5D responses of long underground tunnels to moving train loads , 2017 .

[19]  Manfred Heckl,et al.  STRUCTURE-BORNE SOUND AND VIBRATION FROM RAIL TRAFFIC , 1996 .

[20]  Yeong-Bin Yang,et al.  On computation of soil vibrations due to moving train loads by 2.5D approach , 2017 .

[21]  Geert Degrande,et al.  The influence of dynamic soil–structure interaction on traffic induced vibrations in buildings , 2007 .

[22]  G P Wilson,et al.  Control of ground-borne noise and vibration , 1983 .

[23]  Yeong-Bin Yang,et al.  A 2.5D finite/infinite element approach for modelling visco‐elastic bodies subjected to moving loads , 2001 .

[24]  Yeong-Bin Yang,et al.  Reduction of train-induced vibrations on adjacent buildings , 2001 .

[25]  K. L. Leung,et al.  Vibration isolation by trenches in continuously nonhomogeneous soil by the BEM , 1991 .

[26]  Yeong-Bin Yang,et al.  Wave barriers for reduction of train-induced vibrations in soils , 2004 .

[27]  Demosthenes Polyzos,et al.  Modelling of pile wave barriers by effective trenches and their screening effectiveness , 1999 .

[28]  Y. B. Yang,et al.  Dynamic Response of Elastic Half-Space with Cavity Subjected to P and SV Waves by Finite/Infinite Element Approach , 2015 .

[29]  R. Woods.  SCREENING OF SURFACE WAVES IN SOILS , 1968 .

[30]  Ralf Klein,et al.  A numerical model for ground-borne vibrations from underground railway traffic based on a periodic finite element–boundary element formulation , 2006 .

[31]  Y. B. Yang,et al.  Wave Propagation for Train-Induced Vibrations: A Finite/Infinite Element Approach , 2009 .

[32]  O. Estorff,et al.  Reduction of train-induced building vibrations by using open and filled trenches , 2005 .

[33]  S. Ahmad,et al.  Investigation on active isolation of machine foundations by open trenches , 1996 .

[34]  M. Hesham El Naggar,et al.  Full scale experimental study on vibration scattering using open and in-filled (GeoFoam) wave barriers , 2011 .

[35]  Yeong-bin Yang,et al.  FREQUENCY-INDEPENDENT INFINITE ELEMENTS FOR ANALYSING SEMI-INFINITE PROBLEMS , 1996 .